<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <link rel="stylesheet" href="css/style.css">
</head>
<body>

<div id="father">
  <a href="">链接1</a>
  <a href="">链接2</a>
  <a href="">链接3</a>
  <a href="">链接4</a>
  <a href="" id="url5">链接5</a>
</div>

</body>
</html>